Quadratic sawtooth
From LifeWiki
Quadratic sawtooth  
View static image  
Pattern type  Sawtooth  

Number of cells  3164  
Bounding box  785×785  
Expansion factor  Unknown  
Discovered by  Martin Grant Alexey Nigin  
Year of discovery  2015  

Quadratic sawtooth is a sawtooth with a quadratic envelope, assembled by Martin Grant on May 7, 2015, from a design by Alexey Nigin based on a concept posted by Aidan F. Pierce and input from several other contributors.^{[1]}
It consists of two caber tossers with period multipliers for timing, which activate and deactivate two toggle rake guns.
The gliders emitted by those rakes annihilate on the diagonal while the rakes are eaten by 2c/5 ships. All the rakes and gliders are destroyed before the next cycle.
References
 ↑ Martin Grant (May 7, 2015). "Re: Quadratic Sawtooth?". Retrieved on June 12, 2015.